Thermal conductivity of a solid has different values along different directions. What kind of solid is this ? Also comment on its melting point .

Explanation

To solve the question regarding the thermal conductivity of a solid having different values along different directions, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding Thermal Conductivity**:
- Thermal conductivity refers to the ability of a material to conduct heat. In solids, this property can vary depending on the direction of heat flow.

2. **Identifying Anisotropic Materials**:
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